using System;

namespace Spectre.Console.Rendering
{
    /// <summary>
    /// Represents a double border.
    /// </summary>
    public sealed class DoubleTableBorder : TableBorder
    {
        /// <inheritdoc/>
        public override string GetPart(TableBorderPart part)
        {
            return part switch
            {
                TableBorderPart.HeaderTopLeft => "╔",
                TableBorderPart.HeaderTop => "═",
                TableBorderPart.HeaderTopSeparator => "╦",
                TableBorderPart.HeaderTopRight => "╗",
                TableBorderPart.HeaderLeft => "║",
                TableBorderPart.HeaderSeparator => "║",
                TableBorderPart.HeaderRight => "║",
                TableBorderPart.HeaderBottomLeft => "╠",
                TableBorderPart.HeaderBottom => "═",
                TableBorderPart.HeaderBottomSeparator => "╬",
                TableBorderPart.HeaderBottomRight => "╣",
                TableBorderPart.CellLeft => "║",
                TableBorderPart.CellSeparator => "║",
                TableBorderPart.CellRight => "║",
                TableBorderPart.FooterTopLeft => "╠",
                TableBorderPart.FooterTop => "═",
                TableBorderPart.FooterTopSeparator => "╬",
                TableBorderPart.FooterTopRight => "╣",
                TableBorderPart.FooterBottomLeft => "╚",
                TableBorderPart.FooterBottom => "═",
                TableBorderPart.FooterBottomSeparator => "╩",
                TableBorderPart.FooterBottomRight => "╝",
                _ => throw new InvalidOperationException("Unknown border part."),
            };
        }
    }
}
